Select the correct answer. Which type of fossil can help us understand an organism's activity during its lifetime?

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

unless you remeber everything you always have to have data when recording anything.

answerblank(1); 5.3 million; blank(2); 10 million;

no to no and everything is no so techinically the answer is yes but since today is opposit day the answer is no